Finding the Fourth Proportional to 59,426,746.78, 81,978,728.79 and 38,812,259.74

Step by Step Solution

1. Step 1: Write the proportion equation
   59,426,746.78 : 81,978,728.79 = 38,812,259.74 : x
2. Step 2: Convert to fraction form
   59,426,746.78/81,978,728.79 = 38,812,259.74/x
3. Step 3: Cross multiply
   59,426,746.78x = 81,978,728.79 × 38,812,259.74
4. Step 4: Simplify right side
   59,426,746.78x = 3,181,779,714,952,496.50
5. Step 5: Solve for x
   x = 3,181,779,714,952,496.50/59,426,746.78
6. Step 6: Final answer
   x = 53,541,206.40